Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8060984 | Device and method for improving the installation of pre-tensioned spiral balances in window balances | Curtis Levermore | 2011-11-22 |
| 7945994 | Two piece carrier and balance assembly | Tobias Peter Dallas, Wilbur James Kellum, III, Richard S. deNormand | 2011-05-24 |